Finding the Fourth Proportional to 7,533,205.94, 10,398,101.01 and 5,120,157.62
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Solution
The fourth proportional to 7,533,205.94, 10,398,101.01 and 5,120,157.62 is: 7,067,365.02
Step by Step Solution
- Step 1: Write the proportion equation
7,533,205.94 : 10,398,101.01 = 5,120,157.62 : x - Step 2: Convert to fraction form
7,533,205.94/10,398,101.01 = 5,120,157.62/x - Step 3: Cross multiply
7,533,205.94x = 10,398,101.01 × 5,120,157.62 - Step 4: Simplify right side
7,533,205.94x = 53,239,916,119,881.20 - Step 5: Solve for x
x = 53,239,916,119,881.20/7,533,205.94 - Step 6: Final answer
x = 7,067,365.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.